Shell Programming and Scripting

[server1.com]

  11.22.33.44
  asasoooooo

[server2.com]
 22.33.44.55
 asapppppppp


[server3.com]
 44.55.66.77
    SSSSSSSSS

[server1.com]
11.22.33.44
asasoooooo

[server2.com]
22.33.44.55
asapppppppp

[server3.com]
44.55.66.77
SSSSSSSSS

sed 's/^[<b><tab>]*//' /path/to/infile > /path/to/outfile

awk '{print $1}' /dir/file

awk 'NF{A[++c]=$1}END{for(i=1;i<=c;i++) print (!(i%3)?A[i] RS:A[i])}' file

sed 's/^[[:blank:]]*//' infile > outfile

while read line; do echo "$line"; done < infile > outfile

# cat asas
      Device #0
      Device #1
      Device #2

# cat asas | sed 's/^[[:blank:]]*//'
Device #0
Device #1
Device #2

# cat asas | awk '{print $1}'
Device
Device
Device